GPL NETBIOS SMB startup folder unicode access

Query · suricata

flow:to_server,established;
content:"|00|"; depth:1;
content:"|FF|SMB2"; depth:5; offset:4;
content:"|5C 00|S|00|t|00|a|00|r|00|t|00| |00|M|00|e|00|n|00|u|00 5C 00|P|00|r|00|o|00|g|00|r|00|a|00|m|00|s|00 5C 00|S|00|t|00|a|00|r|00|t|00|u|00|p"; distance:0; nocase;
Raw source GPL NETBIOS SMB startup folder unicode access · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $HOME_NET 139 (
    msg:"GPL NETBIOS SMB startup folder unicode access";
    flow:to_server,established;
    content:"|00|"; depth:1;
    content:"|FF|SMB2"; depth:5; offset:4;
    content:"|5C 00|S|00|t|00|a|00|r|00|t|00| |00|M|00|e|00|n|00|u|00 5C 00|P|00|r|00|o|00|g|00|r|00|a|00|m|00|s|00 5C 00|S|00|t|00|a|00|r|00|t|00|u|00|p"; distance:0; nocase;
    classtype:attempted-recon;
    sid:2102177; rev:5;
    metadata:created_at 2010_09_23, signature_severity Informational, updated_at 2019_07_26;
)

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